Caloritech™ CXC screw plug heaters are used primarily for water heating applications and feature brass screw plugs with a copper sheath. Units are available with optional standard built-in thermostat - a one pole device limited to 240V 25amp with a range of 10 to 120°C. 600V thermostats, double pole thermostats and alternative temperature range thermostats are available upon special request. Available standard with 1inch plugs, 1.25inch plugs, 2inch plugs or 2.5inch plugs; additional custom plug sizes and ratings available (check factory for availability); available with up to 135inch immersed length. Available in a variety of standard voltages from 120 to 600V; special voltage ratings available in custom built heaters. Optional built-in thermostat well, NEMA 4 terminal housing for outdoor applications and explosion-proof terminal housing for hazardous environments.